151872008691 has 12 divisors (see below), whose sum is σ = 219270829848. Its totient is φ = 93459697344.

The previous prime is 151872008689. The next prime is 151872008731. The reversal of 151872008691 is 196800278151.

It is a happy number.

It is not a de Polignac number, because 151872008691 - 2¹ = 151872008689 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 151872008691.

It is not an unprimeable number, because it can be changed into a prime (151872008291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149774650 + ... + 149775663.

It is an arithmetic number, because the mean of its divisors is an integer number (18272569154).

Almost surely, 2^151872008691 is an apocalyptic number.

151872008691 is a deficient number, since it is larger than the sum of its proper divisors (67398821157).

151872008691 is a wasteful number, since it uses less digits than its factorization.

151872008691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299550342 (or 299550329 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 151872008691 in words is "one hundred fifty-one billion, eight hundred seventy-two million, eight thousand, six hundred ninety-one".